[mythtv-users] Matrox G400: Blue screen watching TV or recordedprograms

Joe Votour joevph at yahoo.com
Sat Oct 9 05:46:28 UTC 2004


To the best of my knowledge, MythTV doesn't work very
well with the framebuffer alone.  I know that there
was an effort in porting it to only the framebuffer,
but I don't know it's status.  Therefore, you're
restricted to running X on top of the framebuffer.

There's an excellent writeup on using the G400
framebuffer with X at the Freevo website, of all

If you don't compile the Matrox G400 support into your
kernel, then you'll need to load in these modules:

The size parameters that you give to the framebuffer
will vary based on your TV, but here's what I was
using (for 800x600):
/usr/sbin/fbset -fb /dev/fb0 -left 36 -right -16
-upper 100 -lower 30 -hslen 42

-- Joe

--- Alan Murrell <lists at murrell.ca> wrote:

> Hi Joe, 
> > You don't say what Linux distribution you're
> running, or what 
> > version of XFree86/Xorg you're using, but I
> suspect that 
> > you're facing an Xorg bug.
> I am using KnoppMyth R4V5, which is Debian
> (unstable?) and I believe XFree86
> v4.3 .
> > I've never been able to get my G400 to work with
> an 
> > XF86Config, I've always had to use fbset.  Every
> time I 
> > generate mode lines with fbset -x, I alwasy get
> invalid 
> > (according to the X server) values.
> Would you by any chance be able to post what you do
> to get your TVOut
> working through the framebuffer?  If that works
> better than X (and
> presumably fewer resources??), then I would prefer
> to do that.
> TIA,
> Alan Murrell
> > _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org

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